MCQ Tutorial - Linux->Command

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121.) Which commands will give you information about how much disk space each file in the current
directory uses?

Options are:

A.) ls -l

B.) ls -la

C.) ls -a

D.) du

122.) The command "mknod myfifo b 4 16"

Options are:

A.) Will create a block device for all users

B.) Will create a FIFO if user is not root

C.) None of the above

D.) Will create a block device if user is root

123.) Which command is used to display disk consumption of a specific directory

Options are:

A.) dds

B.) du

C.) ds

D.) dd

124.) For every successful login, which script will be executed?

Options are:

A.) /etc/profile

B.) /etc/init

C.) /etc/inittab

D.) /etc/login

125.) Which of the following commands allows definition and assignment of environment variables under bash

Options are:

A.) export

B.) environ

C.) setenviron

D.) env

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